What is the cheapest airline that flies from Nashville Intl to Idaho?

American Airlines, Delta, and Southwest are the most popular carriers operating from Nashville Intl to Idaho

What airlines fly to Idaho?

Delta, American Airlines and Southwest are the top three most popular airlines that fly to Idaho from Nashville according to our data. Delta is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 4 different airlines that fly to Idaho on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Nashville Intl Airport to Idaho?

Prices for flights from Nashville Intl Airport to Idaho were last updated today.

How many operators does momondo search for flights from Nashville Intl Airport to Idaho?

As of July 2026, there are 5 operators available to choose from for flights from Nashville Intl Airport to Idaho.

How old do you have to be to fly from Nashville Intl Airport to Idaho?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Nashville Intl Airport to Idaho.

What documentation or ID do you need to fly to Idaho?

The necessary travel and health documents for your Idaho trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$119 Cheap Flights from Nashville to Idaho in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Nashville to Idaho

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:45 pm - 9:37 pm

BNA

BOI

7h 52m

1 stop

6:15 am - 3:07 pm

BOI

BNA

7h 52m

1 stop

$232United Airlines

Mon, Aug 24 - Tue, Aug 25

6:10 pm - 11:35 pm

BNA

BOI

6h 25m

1 stop

2:25 pm - 9:45 pm

BOI

BNA

6h 20m

1 stop

$237Southwest

Mon, Aug 24 - Tue, Aug 25

3:38 pm - 10:11 pm

BNA

BOI

7h 33m

1 stop

6:44 am - 2:48 pm

BOI

BNA

7h 04m

1 stop

$237American Airlines

Mon, Aug 24 - Wed, Aug 26

5:00 am - 11:16 am

BNA

BOI

7h 16m

1 stop

2:49 pm - 9:40 pm

BOI

BNA

5h 51m

1 stop

$237American Airlines

Tue, Aug 18 - Fri, Aug 21

6:00 am - 11:28 am

BNA

BOI

6h 28m

1 stop

12:24 pm - 9:37 pm

BOI

BNA

8h 13m

1 stop

$237United Airlines

Fri, Aug 28 - Sun, Aug 30

6:40 pm - 10:40 pm

BNA

GEG

6h 00m

1 stop

6:30 am - 3:50 pm

GEG

BNA

7h 20m

2 stops

$242Southwest

Fri, Aug 21 - Fri, Aug 28

2:53 pm - 2:57 pm

BNA

BOI

25h 04m

1 stop

3:52 pm - 1:58 pm

BOI

BNA

21h 06m

1 stop

$244Frontier

Thu, Oct 29 - Sun, Nov 1

5:20 pm - 11:53 pm

BNA

BOI

7h 33m

1 stop

6:49 am - 3:53 pm

BOI

BNA

8h 04m

1 stop

$247Delta

Fri, Aug 28 - Sun, Aug 30

5:20 pm - 11:53 pm

BNA

BOI

7h 33m

1 stop

6:49 am - 3:53 pm

BOI

BNA

8h 04m

1 stop

$247Delta

Mon, Aug 24 - Tue, Aug 25

1:49 pm - 1:55 pm

BNA

BOI

25h 06m

1 stop

2:50 pm - 1:04 pm

BOI

BNA

21h 14m

1 stop

$250Frontier

Thu, Sep 24 - Sun, Sep 27

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

United Airlines flights from Nashville to Idaho

Our best United Airlines deals on Nashville to Idaho flight tickets

United Airlines

Aug 24

BNA2:45 pmNashville Intl

7h 52m

1 stop

BOI9:37 pmBoise Air Term. Gowen Fld

Aug 25

BOI6:15 amBoise Air Term. Gowen Fld

7h 52m

1 stop

BNA3:07 pmNashville Intl

$232

United Airlines

Aug 20

BNA2:45 pmNashville Intl

8h 01m

1 stop

GEG8:46 pmSpokane

Aug 27

GEG5:00 amSpokane

6h 37m

1 stop

BNA1:37 pmNashville Intl

$237

United Airlines

Aug 20

BNA2:45 pmNashville Intl

7h 52m

1 stop

BOI9:37 pmBoise Air Term. Gowen Fld

Aug 23

BOI2:44 pmBoise Air Term. Gowen Fld

5h 31m

1 stop

BNA9:15 pmNashville Intl

$287

American Airlines flights from Nashville to Idaho

Our best American Airlines deals on Nashville to Idaho flight tickets

American Airlines

Aug 24

BNA5:00 amNashville Intl

7h 16m

1 stop

BOI11:16 amBoise Air Term. Gowen Fld

Aug 26

BOI1:55 pmBoise Air Term. Gowen Fld

8h 32m

2 stops

BNA11:27 pmNashville Intl

$242

American Airlines

Aug 24

BNA3:38 pmNashville Intl

7h 33m

1 stop

BOI10:11 pmBoise Air Term. Gowen Fld

Aug 25

BOI6:44 amBoise Air Term. Gowen Fld

7h 04m

1 stop

BNA2:48 pmNashville Intl

$246

American Airlines

Aug 20

BNA6:00 amNashville Intl

6h 16m

1 stop

BOI11:16 amBoise Air Term. Gowen Fld

Aug 23

BOI6:44 amBoise Air Term. Gowen Fld

8h 18m

1 stop

BNA4:02 pmNashville Intl

$273

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Mon 8/24

2:45 pm-9:37 pm

1 stop7h 52m

Boise Air Term. Gowen Fld

Tue 8/25

6:15 am-3:07 pm

1 stop7h 52m

$232

Quickest round-trip

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Mon 8/24

6:10 pm-11:35 pm

1 stop6h 25m

Boise Air Term. Gowen Fld

Tue 8/25

2:25 pm-9:45 pm

1 stop6h 20m

$237

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Mon 8/24

3:38 pm-10:11 pm

1 stop7h 33m

Boise Air Term. Gowen Fld

Wed 8/26

6:44 am-2:48 pm

1 stop7h 04m

$237

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Tue 8/18

5:00 am-11:16 am

1 stop7h 16m

Boise Air Term. Gowen Fld

Fri 8/21

2:49 pm-9:40 pm

1 stop5h 51m

$237

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Fri 8/28

6:00 am-11:28 am

1 stop6h 28m

Boise Air Term. Gowen Fld

Sun 8/30

12:24 pm-9:37 pm

1 stop8h 13m

$237

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Fri 8/21

6:40 pm-10:40 pm

1 stop6h 00m

Spokane

Fri 8/28

6:30 am-3:50 pm

2 stops7h 20m

$242

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Thu 10/29

2:53 pm-2:57 pm

1 stop25h 04m

Boise Air Term. Gowen Fld

Sun 11/1

3:52 pm-1:58 pm

1 stop21h 06m

$244

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Fri 8/28

5:20 pm-11:53 pm

1 stop7h 33m

Boise Air Term. Gowen Fld

Sun 8/30

6:49 am-3:53 pm

1 stop8h 04m

$247

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Mon 8/24

5:20 pm-11:53 pm

1 stop7h 33m

Boise Air Term. Gowen Fld

Tue 8/25

6:49 am-3:53 pm

1 stop8h 04m

$247

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Thu 9/24

1:49 pm-1:55 pm

1 stop25h 06m

Boise Air Term. Gowen Fld

Sun 9/27

2:50 pm-1:04 pm

1 stop21h 14m

$250

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Nashville to Idaho

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Idaho?

In general, January is the cheapest month to fly from Nashville to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $324. If you don’t want to visit Idaho in January, then you should wait until March to fly from Nashville, when ticket prices are also cheap, with an average price of $337.

How far in advance should I book a flight from Nashville to Idaho?

You are more likely to see cheaper flights to Idaho from Nashville when booking weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around $409 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho from Nashville for as low as $276 on momondo.

Can stopping save me money on Nashville to Idaho flights?

You could potentially save up to 71% on your flight if you consider stops on a Nashville to Idaho flight.

Cheap Nashville to Idaho flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Nashville to Idaho

Fastest flight time	5h 17m
Direct flights	None

The fastest flight from Nashville to Idaho takes 5h 17m

There are no direct flights from Nashville to Idaho. There are no popular flight routes from Nashville to Idaho.

Search flight deals

Frequently asked questions about flying from Nashville to Idaho

When did momondo last update prices for flights from Nashville Intl Airport to Idaho?
Prices for flights from Nashville Intl Airport to Idaho were last updated today.
How many operators does momondo search for flights from Nashville Intl Airport to Idaho?
As of July 2026, there are 5 operators available to choose from for flights from Nashville Intl Airport to Idaho.
How old do you have to be to fly from Nashville Intl Airport to Idaho?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Nashville Intl Airport to Idaho.
What documentation or ID do you need to fly to Idaho?
The necessary travel and health documents for your Idaho trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Nashville to Idaho

Compare and see reviews for airlines that fly from Nashville to Idaho with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $182	Free Cancellation	Rating 7.8 8,494 reviews	Search Delta flights
American Airlines	PriceFrom $250	Free Cancellation	Rating 7.1 11,846 reviews	Search American Airlines flights
United Airlines	PriceFrom $270	Free Cancellation	Rating 7.4 10,053 reviews	Search United Airlines flights
Southwest	PriceFrom $274	Free Cancellation	Rating 8.0 4,226 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Nashville to Idaho?

Finding the right flight to Idaho from Nashville is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Idaho quick and easy, saving you time and money.

Can I find flights from Nashville to Idaho with flexible booking policies on momondo?

Yes. All flights to Idaho from Nashville on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Nashville to Idaho?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Idaho from Nashville.

I’m not ready to book a flight from Nashville to Idaho right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Idaho from Nashville. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.